An illustration of a fisherman holding a harpoon underwater, ready to catch fish. The harpoon has a sharp, forked tip, suitable for both fishing and use as a weapon. The scene is set in a clear water environment, with bubbles rising to the surface to indicate the underwater setting. The style is vivid and engaging, with a focus on the detailed design of the harpoon and the determination in the fisherman's expression. The underwater world is depicted realistically, enhancing the overall three-dimensional effect of the illustration.